I bought 4 tires to get free shipping.
I wanted to mount them to find out if they fit that narrow a rim. I have not run them.
I weight 230 and am looking for cheap bullet proof wheels.
You need to be careful what type hinge is on a folder you're going to motorize.The above is not what I would use, too much chance of failure with the added stress.Good folder design is "Bike Friday" and my favorite "Raleigh Twenty".